312224322 has 8 divisors (see below), whose sum is σ = 624448656. Its totient is φ = 104074772.

The previous prime is 312224309. The next prime is 312224323. The reversal of 312224322 is 223422213.

It is a sphenic number, since it is the product of 3 distinct primes.

312224322 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (312224323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26018688 + ... + 26018699.

It is an arithmetic number, because the mean of its divisors is an integer number (78056082).

Almost surely, 2^312224322 is an apocalyptic number.

312224322 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312224322 is a wasteful number, since it uses less digits than its factorization.

312224322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52037392.

The product of its digits is 1152, while the sum is 21.

The square root of 312224322 is about 17669.8704579292. The cubic root of 312224322 is about 678.4047973830.

Adding to 312224322 its reverse (223422213), we get a palindrome (535646535).

The spelling of 312224322 in words is "three hundred twelve million, two hundred twenty-four thousand, three hundred twenty-two".